NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-24

2021 Toyota Tacoma Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 78 verified NHTSA owner complaints, 0 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: MEDIUM25 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2021 Toyota Tacoma receives a 7.3/10 MazicBay Reliability Index based on 78 verified NHTSA federal complaints and 0 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 40,000 miles (IQR: 6,50049,400 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .

Toyota Tacoma PlatformToyota Tacoma Series
DLC Port: Left kick panel beneath dashboard trim

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
7.3 / 10

3.3 complaints / 10k sold

NHTSA Owner Complaints
78

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
0

0 Active / Free Remedies

Switch Tacoma Model Year (2014–2025)
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ENGINE & COOLINGMedium Severity75% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

24
Federal Complaints
Failure Mileage (Median):40,000 milesIQR: 6,50049,400 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11755683 • Filed: 08/08/2026

Having two issues major issues that’s causing me a $10,000 bill. The timing cover is leaking and there is a coolant bypass hose that is leaking. I have spend a lot of maintenance on this truck on maintaining it to have to remove the engine. As for the forward collision warning...

ODI #11750147 • Filed: 07/13/2026

Brake master cylinder is leaking in the interior of truck on driver side floor mat. Oil is come from brake master cylinder seal.

ODI #11740269 • Filed: 05/26/2026Odometer: 66,000 mi

The plastic coolant crossover valve or pipe failed at 66,000 miles and 5 years of usage. This led to the radiator cracking. After researching online, I read about thousands of Tacoma 3rd generation users with the same issue. Also, the same issue was recalled for several other ...

#2 BRAKING SYSTEM & ABSCritical Severity76% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

22
Federal Complaints
Failure Mileage (Median):32,000 milesIQR: 22,50041,500 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11750147 • Filed: 07/13/2026

Brake master cylinder is leaking in the interior of truck on driver side floor mat. Oil is come from brake master cylinder seal.

ODI #11722917 • Filed: 03/09/2026

when I push the brake pedal, it goes to the floor. I have had the brakes and master cylinder replaced. after about one month the brakes started failing again. I am going to take it back to the mechanic to have them re-evaluate the brakes. No kind of official has inspected my t...

ODI #11700509 • Filed: 11/20/2025

truck is under 20 thousand miles right front brake shoes are loose and not in place. the whole brake assembly is completely rusted .brake lines are leaking.

#3 TRANSMISSION & DRIVETRAINCritical Severity82% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

17
Federal Complaints
Failure Mileage (Median):10,000 milesIQR: 7,83336,750 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11733332 • Filed: 04/23/2026Odometer: 1,332 mi

After I purchased my 2021 Toyota Tacoma TRD Sport with 4 miles on it and at 1,332 miles on 11/26/21, the Check Engine light with Traction Control Off light came on while I was driving. I immediately pulled over and on the truck media screen it read this: "A malfunction in the ...

ODI #11720723 • Filed: 02/26/2026Odometer: 117,000 mi

There are three concerns in this write up: at 117000 miles the blind spot monitoring system has fails and will cost $300 to repair. More concerning is that it was recommended I replace the Power Steering Lines at a cost of $927 and the Transmission Lines at a cost of $797 due ...

ODI #11699491 • Filed: 11/14/2025

The contact owns a 2021 Toyota Tacoma. The contact stated that while driving 10 MPH, after depressing the accelerator pedal and then attempting to depress the brake pedal to make a left turn, the vehicle failed to respond as intended. An independent mechanic was contacted. The...

#4 ELECTRICAL SYSTEM & BATTERYCritical Severity80% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

12
Federal Complaints
Failure Mileage (Median):25,666 milesIQR: 13,49937,833 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11746832 • Filed: 06/26/2026Odometer: 50,000 mi

The Multi-Information Display (MID) on the instrument cluster (combination meter) has failed completely. The display shows full-width horizontal RGB scan lines across the entire screen with no readable information. The analog gauges (speedometer and tachometer) remain function...

ODI #11746375 • Filed: 06/25/2026

Digital instrument panel speedometer screen has gone blank. No longer displays speed. This occurred while driving the vehicle.

ODI #11733332 • Filed: 04/23/2026Odometer: 1,332 mi

After I purchased my 2021 Toyota Tacoma TRD Sport with 4 miles on it and at 1,332 miles on 11/26/21, the Check Engine light with Traction Control Off light came on while I was driving. I immediately pulled over and on the truck media screen it read this: "A malfunction in the ...

#5 STEERING & SUSPENSIONMedium Severity65% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

11
Federal Complaints
Failure Mileage (Median):63,000 milesIQR: 19,87566,000 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11740269 • Filed: 05/26/2026Odometer: 66,000 mi

The plastic coolant crossover valve or pipe failed at 66,000 miles and 5 years of usage. This led to the radiator cracking. After researching online, I read about thousands of Tacoma 3rd generation users with the same issue. Also, the same issue was recalled for several other ...

ODI #11720723 • Filed: 02/26/2026Odometer: 117,000 mi

There are three concerns in this write up: at 117000 miles the blind spot monitoring system has fails and will cost $300 to repair. More concerning is that it was recommended I replace the Power Steering Lines at a cost of $927 and the Transmission Lines at a cost of $797 due ...

ODI #11598626 • Filed: 07/03/2024

The contact owns a 2021 Toyota Tacoma. The contact stated while driving at an undisclosed speed, the vehicle lost power steering functionality. The vehicle was driven to the destination. The contact checked the power steering fluid reservoir and discovered that the power steer...

#6 AIRBAGS & SAFETY RESTRAINTSCritical Severity81% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

9
Federal Complaints
Failure Mileage (Median):35,000 milesIQR: 22,50047,500 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11555863 • Filed: 11/18/2023Odometer: 60,000 mi

Could feel and hear the front passenger seat (including the supplemental restraint system airbag) and seat belt move side to side and making a noise. I took the vehicle to Toyota of Denton, in Denton Texas for evaluation. Here is what they found from the service manager's emai...

ODI #11501237 • Filed: 01/11/2023

The subject vehicle left roadway and impacted a tree in a pure frontal impact. The front seat passenger airbag failed to deploy. An 11 year old child was seated and properly belted in the front passenger seat. The child was killed as a result of blunt force trauma to his head ...

ODI #11475044 • Filed: 07/21/2022

I was in a severe T-none car accident and the airbags did not deploy. The power restrain activated, the seat locked in place but no airbag deployment. The car that hit me was going at aprox. 50-60MPH. I could have died and so could have my 11 & 6 year old passengers. My sister...

#7 FUEL SYSTEM & INJECTIONMedium Severity69% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

7
Federal Complaints
Failure Mileage (Median):20,666 milesIQR: 10,99930,333 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11733332 • Filed: 04/23/2026Odometer: 1,332 mi

After I purchased my 2021 Toyota Tacoma TRD Sport with 4 miles on it and at 1,332 miles on 11/26/21, the Check Engine light with Traction Control Off light came on while I was driving. I immediately pulled over and on the truck media screen it read this: "A malfunction in the ...

ODI #11705044 • Filed: 12/15/2025

The contact owns a 2021 Toyota Tacoma. The contact stated that while her husband was driving at highway speeds, the vehicle stalled with the engine oil warning light flashing on the instrument panel. The contact stated that her husband detected a fuel odor coming from the vehi...

ODI #11700086 • Filed: 11/18/2025

The contact owns a 2021 Toyota Tacoma. The contact stated that the vehicle experienced extended cranking on cold start. There was no warning light illuminated. The dealer was contacted and informed the contact that the vehicle was not covered under Toyota Campaign Number: 23TE...

Pre-Purchase Inspection Checklist for 2021 Toyota Tacoma

Before purchasing a used 2021 Toyota Tacoma, perform the following targeted inspections based on reported federal defect patterns:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.

3. Federal Recall Completion Check

Verify that all 0 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

Defect & Reliability Q&A: 2021 Toyota Tacoma

Is the 2021 Toyota Tacoma a reliable used car?

The 2021 Toyota Tacoma earns a 7.3/10 MazicBay Reliability Index based on 78 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.

What is the most frequent defect reported on the 2021 Toyota Tacoma?

The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 40,000 miles (IQR: 6,50049,400 mi).

Are there free recall repairs available for the 2021 Toyota Tacoma?

Yes, the NHTSA records 0 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.